Mortgage payments2 min read · Updated October 21, 2026

$300,000 mortgage payment in Canada: monthly cost at 3.5% to 6%

Monthly payment on a $300,000 Canadian mortgage over 25 and 30 years at rates from 3.5% to 6%, worked the Canadian way with semi-annual compounding.

Monthly payment by rate

Rate25 years / 30 years
3.5%$1,498 / $1,343
4%$1,578 / $1,427
4.5%$1,660 / $1,513
5%$1,745 / $1,601
5.5%$1,831 / $1,692
6%$1,919 / $1,784

Fixed rate, compounded twice a year as Canadian law requires. Principal and interest only.

Total interest

At 4.5% over 25 years you pay about $198,126 in interest on $300,000 if the rate never changed. In practice your rate resets every term, often 5 years.

The stress test

For most bank mortgages you must qualify at the higher of your rate plus 2 points or 5.25%. Use the calculator to see your qualifying payment.

Common questions

What is the monthly payment on a $300,000 mortgage in Canada?

At 4.5% fixed over 25 years, about $1,660. Property tax and heating are extra.

Why is a Canadian mortgage different?

Fixed rates compound twice a year, which gives a slightly lower payment than the monthly method used elsewhere.

Sources

Published October 21, 2026. Estimates, not tax or mortgage advice.